ES51981
3 1/2 AUTO DMM
Absolute Maximum Ratings
Characteristic
Supply Voltage (V- to AGND)
Analog Input Voltage
V+
Rating
-4V
V- -0.6 to V+ +0.6
V+ ≥ (AGND/DGND+0.5V)
AGND/DGND
AGND/DGND ≥ (V- -0.5V)
V- -0.6 to DGND +0.6
500mW
Digital Input
Power Dissipation. Flat Package
Operating Temperature
Storage Temperature
0℃ to 70℃
-25℃ to 125℃
Electrical Characteristics
TA=25℃, V- =
-3V
Parameter
Power supply
Operating supply current
In DCV mode
Symbol
V-
IDD
Test Condition
Min.
-3.5
—
Typ.
Max
-2.2
1.1
Units
V
mA
µA
-3.0
0.9
0.1
Normal operation
In sleep mode
ISS
5
—
Voltage roll-over error
REV 10MΩ input
±0.1
%F.S
—
—
resistor
Best case straight
line
—
—
Voltage nonlinearity
NLV
VREF
±0.1
%F.S
Input Leakage
Low battery flag voltage
Zero input reading
Reference voltage and open circuit
Voltage for 200Ω measurement
-10
-2.5
1
-2.3
000
10
-2.1
+000 counts
PA
V
V- to AGND
10MΩ input resistor -000
100KΩ resistor
between VRH and
AGND
-1.3
-1.2
-1.1
V
Peak to peak backplane
Drive voltage
Counter time base period
-3.5V≤ V ≤-2.2V
3.00
3.2
1
3.40
V
sec
V
fOSC = 4MHZ
Ω and Continuity
Mode
Between V- pin and
HOLD, RANGE,
KEY, FC1, FC2,
FC3, FC4, FC5,
XTAL, BKLIT
Between V- pin
and RS232
—
—
Open circuit voltage for Ω
Measurement (except 200Ω)
-0.54
—
-0.47
-0.4
—
1.2
Internal pull-high to 0V
Current
µA
—
—
11
Internal pull-low to V-
Current
AC frequency response at
2.000V range
Between GND Pin
and SLACDC
±1%
1.5
µA
HZ
40-400
—
—
—
—
±5%
400-2000
Reference voltage temperature
Coefficient
100KΩ resister
Between VRH
0℃<TA<70℃
—
—
ppm/℃
TCRF
50
5
08/09/09
CYRUSTEK [ Cyrustek corporation ]
